stampy/versions/50aa2dc987c4_use_gid_in_alias.py
# coding=utf-8
"""Use gid in alias
Revision ID: 50aa2dc987c4
Revises: 81a858b4f7f4
Create Date: 2017-04-25 00:01:51.547257
"""
# revision identifiers, used by Alembic.
revision = '50aa2dc987c4'
down_revision = '81a858b4f7f4'
branch_labels = None
depends_on = None
import sqlalchemy as sa
from alembic import op
def upgrade():
"""
Performs upgrade of database
"""
op.add_column(u'alias', sa.Column('gid', sa.Text(), nullable=True))
op.execute("""
UPDATE
"alias"
SET
gid = 0
""")
def downgrade():
"""
Performs database downgrade
"""
op.drop_column(u'alias', 'gid')